Orchard heater



Patented Feb. 3, 1931 1,791,223

NETED STATES RAssIE SAW'DER PAR-RISE, on Peruse, FLOR-IDA FEC ORCHARD HEATER Application filed May. 2, 1929. Serial No. 359,942. i

This invention relates to orchard heaters the burner tube. Various forms of grate may and has for its object the production of a be used,'the most desirable being'those comsimple, cheap, readily constructed, installed, prising finely pervious material adapted to and operated heater. spread. the oil out into thin films and at the L Orchard heating requiresalarge number of same time allow ready access of air to the heaters to be effective and hence the first cost films so produced. One of the cheapest and ofthe same is an exceedingly important facsimplest forms of such grate consists of one tor. Similarly, eifective heating of an oror more gauze grids supported in the burner chard requires a form of heater that will optube intermediate its ends, onto which grids i erate on crude oil, still residues and other the liquid fuel is allowed to drop. Most of 69 low' cost fuels. 1 the oil is retained on these grids and is burnt Heaters previously designed for this purthereon While the balance of the oil drops to pose have been complicated in construction the ground and burns there. i and consequently expensive to manufacture. Two forms of my orchard heater'are shown I Elaborate vaporizing means have been sng by way of example of suitable constructions gested so designed that when the oil contacts in the accompanying drawings.

with the air it is in vapor form. In other In the drawingsz' cases burners of complex form have been Fig. 1 is a side elevation of the heater with proposed, such as annular troughs with means the burner in section,

for introducing air around said trough and Fig. 2 is a side elevation of a modified form also through its center opening. Arrangeof construction,

ments have also been proposed so that in op- Fig. 3 is a section on the line IIIIII of oration the burning oil would heat the con- Fig. 1. tainer for liquid oil which is obviously un- In both forms of construction the burner desirable. consists of a tube 1, conveniently formedof I have found that these complicated forms galvanized iron or thelike,open at both ends. of construction are wholly unnecessary and At its lower end a pair of bars or strips 2 are that very satisfactory results may be obtained riveted thereto to serve as legs or supports by usin as the body of the burner a plain for the burner. These bars 2 are pointed tube hazing within it liquid-filming means at the bottom so that they may be thrust to allow the oil to spread out and burn. Such readily into the grounfd 3 as shown. oil-filming means are desi ned so that while In the lower part 0 the to e are arranged they retain the greater part of the oil fed one or more gauze grids l onto which the thereto they permit the passjige'of air for crude oil or other fuel is dropped. The-mesh the combustion of the oil. ir may enter of this auze is sufiiciently fine to retain at t i l i fii ip il i g g; -fileast the or part of the oil dropped there- 0 Yong 9 CW9? en 3 OJ on so that these grids serve as the rate on wliich the li uid fuel is burned. The se grids Where air is to be lntroduced throu h the b rt d f th b may esuppo e in various ways, oneo e lowe? g ifi f t ig T g i most convenient being by means of two pins reqmre. O1 m 6 u 0 e groun 5 at right angles, the ends of these pins pass- Conveniently this is accomphshed by attachin thEOuUh holes in the tube 1 While the ing to the burner tube a stake or stakes which I? (11 b d t 1 may be thrust into the ground and thus hold i 8 Por g er Wlere said burner tube upright with its lower mart cross 0 en or more grids are used they may be supported sepain above the ground level. a The crude oil or the like is burnt on a rately y be Stacked one On p of the suitable grate arranged in the burner tube f 4ThiS13JteT method is p lly desirably intermediate its ends to avoid venient and sultable when the grids are 0 flames passing around the lower margin of formed, as shown, with an upwardly extend- 

